Cord machine



Nov. 19, 1929. H. P. RUF 1,736,221

CORD MACHINE F il'ed Sept. 30. 1927 2 Sheets-Sheet l l 4 i 727 15i E5! 1.

X/{i /0 21 i 45 Nov. 19; 1929. H. P. RUF 1 1,736,221

- CORD MAdHINE Filed Sept. 50, 1927 2 Sheets-Sheet v 2 Patented Nov. 19, 1929 UNITED stares m ar-aega ingop HERMAN P. we, or NE YQBK, N. Y.

Conn MACHINE Application filed September 30, 1927. Serial No. 223,101.

7 This invention relates to textile machinery and has particular reference to covered cord makingmachines and particularly machines intended for the silk coating of cords having a core of cotton or other relatively cheap materi'al.

One objectof this invention is to provide an improved machine of the character set forth having a pluralityof fliers or cord maki ing units, associated means for adjusting the na-ture'of the cord or twisted product produced a flier, such adjustment being independent of the other fliers, so that the same machine may make a number of cords of vary;

es. r'ther object of the invention is to pro- Arm vide a machine of the character set forth having imp'roved drive means, so that the operation of the machine is greatly simplified,

and aplurality oi cords produced which may beftWi'sted in opposite directions. A further object of the invention is to provide a machine of the character described having co1npfa'iatively ztew and simple parts, co-ordinated 2'5 for operation in an efficient manner.'

' WVit-h theforegoing, and other objectsin View the "invention consists in the arrange merit and combination of parts hereinafter de'scr'ibedandclaimed, and while the invention is not restricted to the exact, details of construction disclosed or suggested herein, still for thepurpose of illustrating a practical v embodiment thereof reference is had to the accompanying drawings in whichlike refer i ehce characters designatethe same parts in theseveral views, and in which I r. Figure l is a itront elevation of a machine embodying the invention, but with one of the fliers or cord making unitsremoved.

Fig. '2 is an enlarged sectional View taken approximatelyon the line 2-'2 of Fig. 1, but with parts broken away. is a fragmentary the 3+3 of Fig. *2. Fig. 4 is-a side elevation of the dev ce shown x r a- Fig; 5 is a fragmentary detail vlew'of the belt drive". j e H r IReferring in detail to the drawings, '10 dedetail view taken on notes means embodying the invention, and

constituting an improvement over the machine shown in my co-pending application, Serial No. 139,569, filed October 5th., 1926.

' Said machine comprises a frame 10? having a plurality of cross members 10", 10, 10 and 10 which not only serve to strengthen the frame, but also serve as supports for the various parts of the operatinginechani'sm; At'the top of the frame, a plurality of guide members ll are provided on'bars 12 to guide the core portion 13 ofthecord down toward the several fliers or'cordmakingunits. The I cover threads ll for the manufactured prodnot of the machine are; directed toward the cord makingunits by'the guides 15 and over the horizontal bars" 16. 1

Aplurality of cord making unit's 17 are em ployed, which are'all preferably exactly alike,

but are nevertheless so constructed as tolbe adjustable so that each may produce a'differenticord than theother, Each unitl'? includes a centralquill'18 through which the core 13 passes, and a guide plate 19 having holes 19? for the silk threads 14; said plate being mounted on the quill, and the sill;

thread's passing from said guide plate down- I 20. At the end of .the' conical member the silk threads are twisted about the core.

' Each cord making unit includes a flierf21 ward along the elements'of a conical member coaxial with a corresponding quill 18. .Each

of the fliers has ahead 21*, a pair of vertical arms 21*, and guiding rollers] 21 disposed on said arms. (j To rotate the fiiers,}pulleys 22 are provided coaxial therewith. Each of the pulleys 22 fixed to a sleeve '23which'is journaledtor rotation at a reduced portion 23 thereof by means of aibearing 24 in the" cross bar 10, of the machine frame, the bear- Y ing being preferably Ire-enforced by a supporting plate 259 bolted'tothe lower side of said cross bar. It is thus seen that the hearing 24 is well able to sustain the weight of the 'fi-ier 21 which secured to the reduced portion 25 of the sleeve'23 by l n ean's of a set screw 26 in the head '21F0fthe-fiier. Since the pulleys22 are allpreferably of the same sizegandare rotated at the same speed, as will be described hereinafter, it is clear that the dissente s-win all turn-at the same speed.

A central drive is arranged for all the fliers, said drive including loose and tight pulleys 25 and 25 ,the latter driving a coaxial pulley 25, overwhich passes a belt 25 that engages a pulley 27. The latter is secured to a shaft 28 upon which are mounted pulleys 29. Belts 30 engage the pulleys. 29 and the pulleys 22. The construction is such that the belts 30 must each be as shown; An important advantage results in that a belt canbe disposed in one way or in another so-that one flier can be rotated in one direction, and another flier in an opposite dlrection to make cords'ha-vlng twists in different directions.

In Fig. 5 is shown a detail of this improved drive arrangement. It is noted that the central plane a of pulley 29 is tangent to pulley 22, which isa necessary feature. Shouldit .be desired to reverse the drive, the pulley 29 will be shifted along shaft 28 until the central plane of said pulley is tangent at b to the pulley 22,- and the belt 30 is then twisted in opposite direction. I 7 Each cord making unit includes means to permit the twist of the cordto be regulated independently of any other unit. I Thus a pluat a low rate.

' cavities facing one another.

rality of rollers 31 are mounted oneach flier head, said rollersbeing rotated by theircoaxial gears 32. The gears 32 meshwith a gear 33 that iscoaxial withthe flier. The gear 33 is driven by any suitable friction drive that'permits of speed adjustment so that the cord C wound on the rollers 31 is drawn through the cord making unit at any desired velocity. It. is clear that if the rate-at which the :cord is drawn through is high, that the twist on said cord will not be so tight as it wouldbe if, for instance, the cord is drawn a The gear 33 is mounted on a quill or guide 34 for the cord C coaxial with the flier and positioned within the sleeve 23 for independent rotation by means, ofan improved friction drive 35. The drive 35 includes a pair of coaxial members 36-and37 having bell shaped outer surfaces with their circumferential con- The member 36 is'secured to sleeve 23, while the member 37 is mounted on the quill 34 to rotate the same. The members 36 and 37 are arranged to be in predetermined proximity or spaced relation to one another, the quill 34 beingsupporting ply mounted in abearing '38 in the cross bar 39 and40 strongly in contact respectively with the members 36 and 37. The bearing 42 is itself mounted on stub shafts 46 and 47 which are parallel to the shaft 44 and extend transversely to the shaft 41. To the stub shaft 47 is secured an arm 48, and said stub shaft 47 is secured to the bearing 42 by means of a set screw 49. A screw 50 j ournaled in a lug 51 wherein it is retained against endwise movement by a set screw 52 engaging in a groove 53, has threaded engagement with a thimble 54 journaled in the end of the arm 48. Thus on turning screw 50 by means of the handle 55 thereof, the arm 48 is caused to move pivotally so as to swing the wheels 39 and 40 bodily about the axis of the stub shafts 46 and 47. Since the wheels make reliable contact by means of friction rings 56 with the members 36 and 37,'it follows that when such bodily pivotal movement of wheels 39 and 40 occurs, that the relative sizesof the circumferences gripped by the wheels. will vary so that member'37 will turn at-a different speed than member 36. This in turn will cause gear 33 to rotate at any desired different speed thanthe flier so that the rollers 31 will rotate to drawthe cord C through the cord making unit atthe required rate to produce the desired twist. conditions in each flier. may in this respect be varied to producedifl'erent kinds of cord 0-.

58 which isjmounted on a vertical rod 59 that is supported on ahorizontal'bar 60.v Said bar60 is secured on vertically slidablerods 61 having followers 62 actuated by. eam'sq63 to raise and lower the spools 58 so that the cord is wound uniformly thereon. A suitable It is thus seen that a cord making unit to make twisted cord, and

means to adjust the speed at which the cord is produced by the unit, said means includ- I ing rollers to draw the cord through the unit,

means to rotate the rollers, and a friction drive to rotate the last mentioned means, said friction drive including a pair of coaxial bell shaped members having their circumferential concave surfaces facing, each other, a'pair of coaxial wheels contacting said members, said wheels being mounted on a shaft so that rotation of one of the members will cause the wheels andv in turn the other member to rotate,

means pivotally supporting said shaft on an axis transverse to the shaft to shift'the lines of contact of the wheels and said members, a spring tending to move the shaft toward the membersfor'snug contact withthe wheels, 7

95 The cord G is wound by the'flier on a spool means to set said shaft in desired pivoted position and a hollow quill for the cord, said quill extending centrally through both bell shaped members.

2. In a machine of the character set forth, a cord making unit to make twisted cord, and

means to adjust the speed at which the cordis produced by the unit, said means including rollers to draw the cord through the unit, means to rotate the rollers, and a friction drive to rotate the last mentioned means, said friction drive including a pair of coaxial bell shaped members having their circumferential concave surfaces facing each other, a pair of coaxialwheels contacting said members, said wheels being mounted on a shaft so that rota tion of one of the members will cause the Wheels and in turn the other member to rotate,

means pivotally supporting said shaft on an axis transverse to the shaft to shift the lines of contact of the wheels and saidmembers, and means to set said shaft in desired-pivoted position, a pulleybeing connected to one of said members, a belt drive being provided to r rotate the pulley and a quill for the cord extending centrally through said pulley and said member, said quill being connected at one end to the other member and at its other end to the means to rotate the rollers:

3. Ina machine of the character set forth,

a cord making unit to make twisted cord, and means to adjust the speed at which the cord is produced by the unit, said means including rollers to draw the cord through the unit, means to rotate the rollers, and a friction drive to rotate the last mentioned means, said said sleeve being connected to rotate the flier,

and an adjustable drive acting between said I sleeve and said quill to impart rotation to the latter at any desired speed with respect to the flier, said adjustable drive including a pair of coaxial bellshaped members havingtheir circumferential concave surfaces facing each other, a pair of coaxial wheels contacting said members, said wheels being mounted .on a shaft so that the rotation of one of the members will cause the wheels and in turn the other member torotate, means pivotally supporting said shaft on an axis transverse to the shaft to shift the lines of contact of the wheels and said members, and means to set said shaft in desired pivoted position one of the memv bcrs bein connected to the quill and the other to the sleeve.

, In testimony whereof I affix signature; I HERMAN P. RUF.

friction drive including a pair of coaxial bell shaped members having their circumferential I Y concave surfaces facing each other, a pair of coaxial wheels contacting said members, said wheels being mounted on a shaft so that rota- 1 tion of one of the members will cause the Wheels and in turn the other member to rotate, means pivotally supporting said shaft on an axis transverse to the shaft to shift the lines of contact of the Wheels and said members, means to set said shaft in desired pivoted position, a drive connected to one of the members, and a quill for the cord centrally connected at one end to the other member and at its other end to the means to rotate the rollers, the member connected to the drive beingjournaled on the quill intermediate the being within the sleeve and journaled therein, 

